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Simdax (LEVOSIMENDAN)

Phase 3 active Small molecule ✓ Verified May 2026 Quality 39/100

Simdax (generic name: LEVOSIMENDAN) is a Moderate Risk QT Prolonging Agents drug. It is currently in Phase 3 development for Congestive heart failure.

Simdax works by binding to troponin C, increasing calcium sensitivity in cardiac muscle cells, allowing for improved heart function without increasing oxygen demand.

Simdax (levosimendan) is a medication used to treat conditions such as heart failure, left ventricular dysfunction, and acute decompensated heart failure. It has been studied in clinical trials for its effects on myocardial hemodynamics, particularly in the context of coronary artery bypass grafting and myocardial stunning.

Likelihood of approval
56.3% vs 58.3% industry baseline
If approved by FDA: likely 2028–2030
Steps remaining: NDA/BLA submission
Confidence: High
Why this estimate
  • Baseline phase 3 → approval rate +58.3pp
    Industry-wide phase 3 drugs reach approval ~58.3% of the time (BIO/Informa 2023 industry benchmark across all therapeutic areas).
  • Cardiovascular Phase 3 risk -2.0pp
    Modern cardiovascular outcome trials are large + long; many fail to beat aggressive standard-of-care.
Predicted approval windows by jurisdiction (conditional on FDA approval)
Regulator Country Likely year Lag vs FDA
FDA US 2028–2030
EMA EU 2029–2031 +0.7 yr
MHRA GB 2029–2031 +0.7 yr
Health Canada CA 2029–2032 +0.9 yr
TGA AU 2029–2032 +1.2 yr
PMDA JP 2029–2032 +1.5 yr
NMPA CN 2030–2033 +2.3 yr
MFDS KR 2029–2032 +1.4 yr
CDSCO IN 2029–2033 +1.8 yr
ANVISA BR 2030–2033 +2.3 yr

Hover any row for the lag rationale. Lag estimates are reduced when the drug has FDA Breakthrough or EMA PRIME designation (sponsors file globally in parallel).

Estimate based on the BIO/Informa industry phase transition rates plus per-drug modifiers for therapeutic area, sponsor type, FDA designations, mechanism, and trial design. Per-jurisdiction lags from Tufts CSDD international approval studies. Not investment, clinical or regulatory advice. Methodology: /methodology#likelihood.

At a glance

Generic nameLEVOSIMENDAN
Drug classModerate Risk QT Prolonging Agents
TargetTroponin C, slow skeletal and cardiac muscles
ModalitySmall molecule
Therapeutic areaCardiovascular
PhasePhase 3

Mechanism of action

Think of it like a key that unlocks the heart muscle, allowing it to work more efficiently without using more energy. This helps the heart pump more effectively, especially in people with heart failure. By doing so, it helps the heart work better without putting too much strain on it.

Approved indications

Common side effects

Drug interactions

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about Simdax

What is Simdax?

Simdax (LEVOSIMENDAN) is a Moderate Risk QT Prolonging Agents drug, indicated for Congestive heart failure.

How does Simdax work?

Simdax works by binding to troponin C, increasing calcium sensitivity in cardiac muscle cells, allowing for improved heart function without increasing oxygen demand.

What is Simdax used for?

Simdax is indicated for Congestive heart failure.

What is the generic name of Simdax?

LEVOSIMENDAN is the generic (nonproprietary) name of Simdax.

What drug class is Simdax in?

Simdax belongs to the Moderate Risk QT Prolonging Agents class. See all Moderate Risk QT Prolonging Agents drugs at /class/moderate-risk-qt-prolonging-agents.

What development phase is Simdax in?

Simdax is in Phase 3.

What are the side effects of Simdax?

Common side effects of Simdax include Lymphatic fistula, Femoral hernia incarcerated, Pancreatic steatosis, Wound infection pseudomonas, Arterial haemorrhage, Seroma.

What does Simdax target?

Simdax targets Troponin C, slow skeletal and cardiac muscles and is a Moderate Risk QT Prolonging Agents.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing